fix: useType option #292

src/util/create-signature.ts

@@ -21,7 +21,7 @@ export function createType(
 
   // If we should use a type as global type map
   if (config.useType) {
-    return `${config.namespace}.${config.useType}['${JSON.stringify(type)}']`;
+    return `${config.namespace}.${config.useType}[${JSON.stringify(type)}]`;
   }
 
   // Just return the type

test/schemas/use-type.prisma

@@ -0,0 +1,27 @@
+generator client {
+  provider = "prisma-client-js"
+  output   = "../target/use-type"
+}
+
+generator json {
+  provider = "node ./index.js"
+  useType  = "MyOwnType"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = ""
+}
+
+model Model {
+  id Int @id @default(autoincrement())
+
+  /// [Simple]
+  simple Json
+
+  /// [Optional]
+  optional Json?
+
+  /// [List]
+  list Json[]
+}

test/types/use-type.test-d.ts

@@ -0,0 +1,116 @@
+import { expectAssignable, expectNotAssignable } from 'tsd';
+import type { Model, UpdateManyInput } from '../target/use-type/index';
+
+declare global {
+  export namespace PrismaJson {
+    export type MyOwnType = {
+      Simple: 1;
+      Optional: 2;
+      List: 3;
+    };
+  }
+}
+
+expectAssignable<Model>({
+  id: 0,
+  simple: 1,
+  optional: 2,
+  list: [3]
+});
+
+expectAssignable<Model>({
+  id: 0,
+  simple: 1,
+  optional: null,
+  list: [3]
+});
+
+expectAssignable<Model>({
+  id: 0,
+  simple: 1,
+  optional: null,
+  list: []
+});
+
+expectAssignable<Model>({
+  id: 0,
+  simple: 1,
+  optional: 2,
+  list: [3, 3, 3]
+});
+
+expectAssignable<UpdateManyInput<Model['list'][number]>>({
+  push: 3
+});
+
+expectAssignable<UpdateManyInput<Model['list'][number]>>({
+  push: []
+});
+
+expectAssignable<UpdateManyInput<Model['list'][number]>>({
+  push: [3]
+});
+
+expectAssignable<UpdateManyInput<Model['list'][number]>>({
+  push: [3, 3, 3]
+});
+
+expectAssignable<UpdateManyInput<Model['list'][number]>>({
+  set: []
+});
+
+expectAssignable<UpdateManyInput<Model['list'][number]>>({
+  set: [3]
+});
+
+expectAssignable<UpdateManyInput<Model['list'][number]>>({
+  set: [3, 3, 3]
+});
+
+expectNotAssignable<Model>({
+  id: 0,
+  simple: '1',
+  optional: 2,
+  list: [3]
+});
+
+expectNotAssignable<Model>({
+  id: 0,
+  simple: 1,
+  optional: '2',
+  list: [3]
+});
+
+expectNotAssignable<Model>({
+  id: 0,
+  simple: 1,
+  optional: 'undefined',
+  list: 3
+});
+
+expectNotAssignable<Model>({
+  id: 0,
+  simple: 1,
+  optional: 2,
+  list: '3,3,3'
+});
+
+expectNotAssignable<UpdateManyInput<Model['list'][number]>>({
+  push: '3'
+});
+
+expectNotAssignable<UpdateManyInput<Model['list'][number]>>({
+  push: ['3']
+});
+
+expectNotAssignable<UpdateManyInput<Model['list'][number]>>({
+  set: 3
+});
+
+expectNotAssignable<UpdateManyInput<Model['list'][number]>>({
+  set: '3'
+});
+
+expectNotAssignable<UpdateManyInput<Model['list'][number]>>({
+  set: ['3,3,3']
+});